Electromagnetics

News and Updates

A Smart Use for Doping: Implanted Atoms Create Unique Electrical IDs That Distinguish Bona Fide Devices From Forgeries

September 16, 2021

If someone sells you a luxury handbag from Paris, France, but it turns out be a forgery from Paris, Texas, the counterfeit item might cost you a thousand bucks

NIST Scientists Reveal the Power Behind the Curtain — With Neutrons

September 16, 2020

In a potential step forward for imaging technology, scientists from the National Institute of Standards and Technology (NIST) and Sandia National Laboratories

Building a Better Lithium Ion Source to Build a Better FIB

April 22, 2019

Eight years ago, NIST researchers developed a groundbreaking microscope that uses a narrow beam of low-energy lithium ions, rather than a beam of light or

Projects and Programs

Electric-acoustic spectroscopy for intermolecular interactions in solution

NIST’s Material Measurement Laboratory and Communications Technology Laboratory are developing a new spectroscopy for intermolecular interactions. The team is

Quantum Radiometry Project

Calibrated and characterized single photon sources and detectors are building blocks of the infrastructure required to achieve widely used, industrialized

Emerging Hardware for Artificial Intelligence

Designing artificial intelligence (AI) systems from the device up could unlock dramatic improvements in energy consumption (using metrics such as energy delay

Cityscape in the background. Solar panels in the foreground.

Smart Grid Program

The Smart Grid Program develops and demonstrates smart grid measurement science advances to improve the efficiency, reliability, resilience, and sustainability

Publications

Real-Time mmWave Channel Sounding through Full Digital Beamforming with 3D Dual-Polarized Phased-Array Antennas

September 7, 2021

Author(s)

Derek Caudill, Jack Chuang, Sung Yun Jun, Camillo Gentile, Nada T. Golmie

We describe a 29.5 GHz channel sounder that individually digitizes, through time multiplexing, all antennas of multiple dual-polarized 8 x 8 phased arrays at

Evaluating solder joint failures and solder joint reliability: A side-by-side comparison of Direct Current and Microwave Based Monitoring Techniques

August 23, 2021

Author(s)

Yaw S. Obeng, Papa Amoah

Historically, the evaluating solder joint failures and solder joint reliability have been done with DC methods using event detectors or data loggers for high

Quasi-Deterministic Channel Propagation Model for an Urban Environment at 28 GHz

April 16, 2021

Author(s)

Neeraj Varshney, Jian Wang, Chiehping Lai, Camillo Gentile

We reduced parameters of the Quasi-Deterministic channel propagation model, recently adopted by the IEEE 802.11ay task group for next-generation Wi-Fi at

Measuring the Impact of Beamwidth on the Correlation Distance of 60 GHz Indoor and Outdoor Channels

March 22, 2021

Author(s)

Aidan Hughes, Sung Yun Jun, Camillo Gentile, Derek Caudill, Jack Chuang, Jelena Senic

Due to high antenna directionality and channel sparseness, millimeter-wave receivers will detect much less multipath then their microwave counterparts

Software

On-Wafer Calibration Software

NIST Microwave Uncertainty Framework (Beta version) The NIST Microwave Uncertainty Framework provides a "drag-and-drop" toolkit for managing the calculation of

Tools and Instruments

Large Aperture Scanner

The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional